Sharp MX-4100N Service Manual page 77

13-B RSPF diagonal adjustment
1) Set a test chart (A3) on the RSPF document tray, and make a
copy.
2) Measure (a) and (b) on the copied test chart. If (a) - (b) =
±1mm or more, perform the diagonal adjustment.
a
b
3) Remove the hex nut cover in the RSPF diagonal adjustment
screw section.
4) Raise the RSPF unit upright, and loosen the fixing screw of the
hinge.
2
1
TEST CHART
A3 size
2
MX-5001N ADJUSTMENTS 5 – 35
5) Close the RSPF unit, and loosen the hex nut of the RSPF
diagonal adjustment screw section.
Turn the hex wrench of the RSPF skew adjustment screw to
adjust the skew.
2
* In the case of (A), turn the RSPF diagonal adjustment screw
counterclockwise.
In the case of (B), turn the RSPF diagonal adjustment screw
clockwise.
A
6) Make a copy again and measure (a) and (b) on the copied test
chart. Repeat procedures 2) to 5) until the condition ((a)-
(b)=±1mm or less) is satisfied.
7) Tighten the hinge section fixing screw which was loosened in
the procedure 4) to tighten the hinge section.
3
1
B